mkofron- Serial or in paralel? It includes both of course.<br /><br />Yes, chance plays a role, of course. This is confirmed in the Bible:<br /><br />(Ecclesiastes 9:11-12) 11 I returned to see under the sun that the swift do not have the race, nor the mighty ones the battle, nor do the wise also have the food, nor do the understanding ones also have the riches, nor do even those having knowledge have the favor; because time and unforeseen occurrence befall them all. 12 For man also does not know his time. Just like fishes that are being taken in an evil net, and like birds that are being taken in a trap, so the sons of men themselves are being ensnared at a calamitous time, when it falls upon them suddenly.<br /><br />Note that time and unforseen occurence befall us all. The context is about death, but you are correct in indicating it also applies to birth - albeit to a lesser extent.<br /><br />However, it is not all chance - I trust you realize that.<br /><br />Often intelligent direction (and misdirection) are involved, and there are limits and probabilities based on scientific laws and properties.<br /><br />This is also true in chemical reactions, which is why there are predictable mathematical proportions of certain amino acids in origin of life synthesis experiments (e.g. Miller's famous experiments).<br /><br />Did you realize that?<br /><br />BTW - I'm just back and tired but will respond more after catching up on sleep after the 24 hour drive!